package org.example.ch02.p05;
import java.util.Scanner;
enum Grade{A,B,C,D,E};
public class Main {
    public static Grade getGrade(int score){
        if(score >= 90 && score <= 100){
            return Grade.A;
        }
        else if(score >= 80 && score <= 90){
            return Grade.B;
        }
        else if(score >= 70 && score <= 80){
            return Grade.C;
        }
        else if(score >= 60 && score <= 70){
            return Grade.D;
        }
        else{
            return Grade.E;
        }
    }
    public static void printGradeInfo(Grade grade){
        System.out.println("class name="+Grade.class);
        System.out.println("grade value="+grade);
    }
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        while(sc.hasNextInt()){
            int score = sc.nextInt();
            Grade grade = getGrade(score);
            switch(grade){
                case A:
                    System.out.println("Excellent");
                    break;
                case B:
                    System.out.println("Good");
                    break;
                case C:
                    System.out.println("Average");
                    break;
                case D:
                    System.out.println("Fair");
                    break;
                case E:
                    System.out.println("Poor");
                    break;
            }
            printGradeInfo(grade);
        }
        sc.close();
    }
}